Initial details were unveiled for the 13th U.S. Comedy Arts Festival in Aspen, HBO and the organization announced Tuesday. Highlights for this year's event, taking place February 28 - March 4 include a screening of John Landis' doc "The Rickles Project," spotlighting Don Rickles, who will be in Aspen to pick up the event's first "USCAF Pinnacle Award." Also on tap is "Entourage: Behind the Scenes" with castmembers from the popular HBO series and creator Doug Ellin and executivbe producer Stephen Levinson, in addition to panels, and "The Gaggle," a comic opinion showcase tackling sports, politics and pop culture. The festival will open with George Carlin, celebrating his 50th year in comedy, Steven Wright and Katt Williams. For more information, visit the USCAF's website. [Brian Brooks]